When highly pressurized combustion gases are blown by the piston rings and into the crankcase, this is commonly referred to as "Blow-By". This process can heavily contaminate the gases making them unfit for release into the atmosphere as a system exhaust. A Crankcase Ventilation System (CCV) routes the gases through a filtering process to purge them of oil residue and other contaminates before they are either recirculated back into the combustion process or released into the air.
Anmerkung für Kunden in Kalifornien - Warnung: Krebs und Schädigungen der Fortpflanzungsfähigkeit - www.P65Warnings.ca.gov
